A developing maxillary central erupts at the age of 7 years and the apical third of its root
apexifies 3 years later, at age 10 years. During this period, an impacted incisor root
develops its root in a restricted area, above the alveolar bone, high up in the cortex of the
floor of the nose. The aim of this study was to radiographically assess whether the root
development of the unerupted incisor is affected by its lack of eruption. A cross-sectional
retrospective split mouth study was designed. The sample consisted of 30 consecutive …